src/cpus/cpu_ia64.c

/*
 *  Copyright (C) 2005  Anders Gavare.  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright  
 *     notice, this list of conditions and the following disclaimer in the 
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE   
 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *
 *
 *  $Id: cpu_ia64.c,v 1.2 2005/10/22 17:24:20 debug Exp $
 *
 *  IA64 CPU emulation.
 *
 *  TODO: Everything.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#include "cpu.h"
#include "machine.h"
#include "memory.h"
#include "misc.h"
#include "symbol.h"

#include "tmp_ia64_head.c"


/*
 *  ia64_cpu_new():
 *
 *  Create a new IA64 CPU object by filling the CPU struct.
 *  Return 1 on success, 0 if cpu_type_name isn't a valid IA64 processor.
 */
int ia64_cpu_new(struct cpu *cpu, struct memory *mem,
        struct machine *machine, int cpu_id, char *cpu_type_name)
{
        int i;

        if (strcasecmp(cpu_type_name, "IA64") != 0)
                return 0;

        cpu->memory_rw = ia64_memory_rw;
        cpu->update_translation_table = ia64_update_translation_table;
        cpu->invalidate_translation_caches =
            ia64_invalidate_translation_caches;
        cpu->invalidate_code_translation = ia64_invalidate_code_translation;
        cpu->is_32bit = 0;

        /*  Only show name and caches etc for CPU nr 0:  */
        if (cpu_id == 0) {
                debug("%s", cpu->name);
        }

        /*  Create the default virtual->physical->host translation:  */
        cpu->cd.ia64.vph_default_page = malloc(sizeof(struct ia64_vph_page));
        if (cpu->cd.ia64.vph_default_page == NULL) {
                fprintf(stderr, "out of memory in ia64_cpu_new()\n");
                exit(1);
        }
        memset(cpu->cd.ia64.vph_default_page, 0, sizeof(struct ia64_vph_page));
        for (i=0; i<IA64_LEVEL0; i++)
                cpu->cd.ia64.vph_table0[i] = cpu->cd.ia64.vph_table0_kernel[i]
                    = cpu->cd.ia64.vph_default_page;

        return 1;
}


/*
 *  ia64_cpu_dumpinfo():
 */
void ia64_cpu_dumpinfo(struct cpu *cpu)
{
        /*  TODO  */
        debug("\n");
}


/*
 *  ia64_cpu_list_available_types():
 *
 *  Print a list of available IA64 CPU types.
 */
void ia64_cpu_list_available_types(void)
{
        /*  TODO  */

        debug("IA64\n");
}


/*
 *  ia64_cpu_register_match():
 */
void ia64_cpu_register_match(struct machine *m, char *name,
        int writeflag, uint64_t *valuep, int *match_register)
{
        int cpunr = 0;

        /*  CPU number:  */

        /*  TODO  */

        if (strcasecmp(name, "pc") == 0) {
                if (writeflag) {
                        m->cpus[cpunr]->pc = *valuep;
                } else
                        *valuep = m->cpus[cpunr]->pc;
                *match_register = 1;
        }

        /*  TODO  */
}


/*
 *  ia64_cpu_register_dump():
 *  
 *  Dump cpu registers in a relatively readable format.
 *  
 *  gprs: set to non-zero to dump GPRs and some special-purpose registers.
 *  coprocs: set bit 0..3 to dump registers in coproc 0..3.
 */
void ia64_cpu_register_dump(struct cpu *cpu, int gprs, int coprocs)
{ 
        char *symbol;
        uint64_t offset;
        int x = cpu->cpu_id;

        if (gprs) {
                symbol = get_symbol_name(&cpu->machine->symbol_context,
                    cpu->pc, &offset);
                debug("cpu%i:\t pc = 0x%016llx", x, (long long)cpu->pc);
                debug("  <%s>\n", symbol != NULL? symbol : " no symbol ");

                /*  TODO  */
        }
}


/*
 *  ia64_cpu_show_full_statistics():
 *
 *  Show detailed statistics on opcode usage on each cpu.
 */
void ia64_cpu_show_full_statistics(struct machine *m)
{
        fatal("ia64_cpu_show_full_statistics(): TODO\n");
}


/*
 *  ia64_cpu_tlbdump():
 *
 *  Called from the debugger to dump the TLB in a readable format.
 *  x is the cpu number to dump, or -1 to dump all CPUs.
 *
 *  If rawflag is nonzero, then the TLB contents isn't formated nicely,
 *  just dumped.
 */
void ia64_cpu_tlbdump(struct machine *m, int x, int rawflag)
{
        fatal("ia64_cpu_tlbdump(): TODO\n");
}


/*
 *  ia64_cpu_interrupt():
 */
int ia64_cpu_interrupt(struct cpu *cpu, uint64_t irq_nr)
{
        fatal("ia64_cpu_interrupt(): TODO\n");
        return 0;
}


/*
 *  ia64_cpu_interrupt_ack():
 */
int ia64_cpu_interrupt_ack(struct cpu *cpu, uint64_t irq_nr)
{
        /*  fatal("ia64_cpu_interrupt_ack(): TODO\n");  */
        return 0;
}


/*
 *  ia64_cpu_disassemble_instr():
 *
 *  Convert an instruction word into human readable format, for instruction
 *  tracing.
 *              
 *  If running is 1, cpu->pc should be the address of the instruction.
 *
 *  If running is 0, things that depend on the runtime environment (eg.
 *  register contents) will not be shown, and addr will be used instead of
 *  cpu->pc for relative addresses.
 */                     
int ia64_cpu_disassemble_instr(struct cpu *cpu, unsigned char *ib,
        int running, uint64_t dumpaddr, int bintrans)
{
        uint64_t offset;
        char *symbol;

        if (running)
                dumpaddr = cpu->pc;

        symbol = get_symbol_name(&cpu->machine->symbol_context,
            dumpaddr, &offset);
        if (symbol != NULL && offset == 0)
                debug("<%s>\n", symbol);

        if (cpu->machine->ncpus > 1 && running)
                debug("cpu%i:\t", cpu->cpu_id);

        debug("%016llx:  ", (long long)dumpaddr);

debug("TODO\n");

/*      iw = ib[0] + (ib[1]<<8) + (ib[2]<<16) + (ib[3]<<24); */

        return 16;
}


#include "tmp_ia64_tail.c"

1	dpavlin	14	/*
2			* Copyright (C) 2005 Anders Gavare. All rights reserved.
3			*
4			* Redistribution and use in source and binary forms, with or without
5			* modification, are permitted provided that the following conditions are met:
6			*
7			* 1. Redistributions of source code must retain the above copyright
8			* notice, this list of conditions and the following disclaimer.
9			* 2. Redistributions in binary form must reproduce the above copyright
10			* notice, this list of conditions and the following disclaimer in the
11			* documentation and/or other materials provided with the distribution.
12			* 3. The name of the author may not be used to endorse or promote products
13			* derived from this software without specific prior written permission.
14			*
15			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25			* SUCH DAMAGE.
26			*
27			*
28	dpavlin	18	* $Id: cpu_ia64.c,v 1.2 2005/10/22 17:24:20 debug Exp $
29	dpavlin	14	*
30			* IA64 CPU emulation.
31			*
32			* TODO: Everything.
33			*/
34
35			#include <stdio.h>
36			#include <stdlib.h>
37			#include <string.h>
38			#include <ctype.h>
39
40			#include "cpu.h"
41			#include "machine.h"
42			#include "memory.h"
43			#include "misc.h"
44			#include "symbol.h"
45
46			#include "tmp_ia64_head.c"
47
48
49			/*
50			* ia64_cpu_new():
51			*
52			* Create a new IA64 CPU object by filling the CPU struct.
53			* Return 1 on success, 0 if cpu_type_name isn't a valid IA64 processor.
54			*/
55			int ia64_cpu_new(struct cpu cpu, struct memory mem,
56			struct machine machine, int cpu_id, char cpu_type_name)
57			{
58			int i;
59
60			if (strcasecmp(cpu_type_name, "IA64") != 0)
61			return 0;
62
63			cpu->memory_rw = ia64_memory_rw;
64			cpu->update_translation_table = ia64_update_translation_table;
65	dpavlin	18	cpu->invalidate_translation_caches =
66			ia64_invalidate_translation_caches;
67	dpavlin	14	cpu->invalidate_code_translation = ia64_invalidate_code_translation;
68			cpu->is_32bit = 0;
69
70			/* Only show name and caches etc for CPU nr 0: */
71			if (cpu_id == 0) {
72			debug("%s", cpu->name);
73			}
74
75			/* Create the default virtual->physical->host translation: */
76			cpu->cd.ia64.vph_default_page = malloc(sizeof(struct ia64_vph_page));
77			if (cpu->cd.ia64.vph_default_page == NULL) {
78			fprintf(stderr, "out of memory in ia64_cpu_new()\n");
79			exit(1);
80			}
81			memset(cpu->cd.ia64.vph_default_page, 0, sizeof(struct ia64_vph_page));
82			for (i=0; i<IA64_LEVEL0; i++)
83			cpu->cd.ia64.vph_table0[i] = cpu->cd.ia64.vph_table0_kernel[i]
84			= cpu->cd.ia64.vph_default_page;
85
86			return 1;
87			}
88
89
90			/*
91			* ia64_cpu_dumpinfo():
92			*/
93			void ia64_cpu_dumpinfo(struct cpu *cpu)
94			{
95			/* TODO */
96			debug("\n");
97			}
98
99
100			/*
101			* ia64_cpu_list_available_types():
102			*
103			* Print a list of available IA64 CPU types.
104			*/
105			void ia64_cpu_list_available_types(void)
106			{
107			/* TODO */
108
109			debug("IA64\n");
110			}
111
112
113			/*
114			* ia64_cpu_register_match():
115			*/
116			void ia64_cpu_register_match(struct machine m, char name,
117			int writeflag, uint64_t valuep, int match_register)
118			{
119			int cpunr = 0;
120
121			/* CPU number: */
122
123			/* TODO */
124
125			if (strcasecmp(name, "pc") == 0) {
126			if (writeflag) {
127			m->cpus[cpunr]->pc = *valuep;
128			} else
129			*valuep = m->cpus[cpunr]->pc;
130			*match_register = 1;
131			}
132
133			/* TODO */
134			}
135
136
137			/*
138			* ia64_cpu_register_dump():
139			*
140			* Dump cpu registers in a relatively readable format.
141			*
142			* gprs: set to non-zero to dump GPRs and some special-purpose registers.
143			* coprocs: set bit 0..3 to dump registers in coproc 0..3.
144			*/
145			void ia64_cpu_register_dump(struct cpu *cpu, int gprs, int coprocs)
146			{
147			char *symbol;
148			uint64_t offset;
149			int x = cpu->cpu_id;
150
151			if (gprs) {
152			symbol = get_symbol_name(&cpu->machine->symbol_context,
153			cpu->pc, &offset);
154			debug("cpu%i:\t pc = 0x%016llx", x, (long long)cpu->pc);
155			debug(" <%s>\n", symbol != NULL? symbol : " no symbol ");
156
157			/* TODO */
158			}
159			}
160
161
162			/*
163			* ia64_cpu_show_full_statistics():
164			*
165			* Show detailed statistics on opcode usage on each cpu.
166			*/
167			void ia64_cpu_show_full_statistics(struct machine *m)
168			{
169			fatal("ia64_cpu_show_full_statistics(): TODO\n");
170			}
171
172
173			/*
174			* ia64_cpu_tlbdump():
175			*
176			* Called from the debugger to dump the TLB in a readable format.
177			* x is the cpu number to dump, or -1 to dump all CPUs.
178			*
179			* If rawflag is nonzero, then the TLB contents isn't formated nicely,
180			* just dumped.
181			*/
182			void ia64_cpu_tlbdump(struct machine *m, int x, int rawflag)
183			{
184			fatal("ia64_cpu_tlbdump(): TODO\n");
185			}
186
187
188			/*
189			* ia64_cpu_interrupt():
190			*/
191			int ia64_cpu_interrupt(struct cpu *cpu, uint64_t irq_nr)
192			{
193			fatal("ia64_cpu_interrupt(): TODO\n");
194			return 0;
195			}
196
197
198			/*
199			* ia64_cpu_interrupt_ack():
200			*/
201			int ia64_cpu_interrupt_ack(struct cpu *cpu, uint64_t irq_nr)
202			{
203			/* fatal("ia64_cpu_interrupt_ack(): TODO\n"); */
204			return 0;
205			}
206
207
208			/*
209			* ia64_cpu_disassemble_instr():
210			*
211			* Convert an instruction word into human readable format, for instruction
212			* tracing.
213			*
214			* If running is 1, cpu->pc should be the address of the instruction.
215			*
216			* If running is 0, things that depend on the runtime environment (eg.
217			* register contents) will not be shown, and addr will be used instead of
218			* cpu->pc for relative addresses.
219			*/
220			int ia64_cpu_disassemble_instr(struct cpu cpu, unsigned char ib,
221			int running, uint64_t dumpaddr, int bintrans)
222			{
223			uint64_t offset;
224			char *symbol;
225
226			if (running)
227			dumpaddr = cpu->pc;
228
229			symbol = get_symbol_name(&cpu->machine->symbol_context,
230			dumpaddr, &offset);
231			if (symbol != NULL && offset == 0)
232			debug("<%s>\n", symbol);
233
234			if (cpu->machine->ncpus > 1 && running)
235			debug("cpu%i:\t", cpu->cpu_id);
236
237			debug("%016llx: ", (long long)dumpaddr);
238
239			debug("TODO\n");
240
241			/* iw = ib[0] + (ib[1]<<8) + (ib[2]<<16) + (ib[3]<<24); */
242
243			return 16;
244			}
245
246
247			#include "tmp_ia64_tail.c"
248